Perhaps you should try some spelling variations:
das filosofia » da filosofia, la filosofia, di filosofia
de literatura » de litterature, la literatura, a literatura
y literatura » la literatura
studium das » studium des, studium der, studium die
test dem » test der, test de, nebst dem
test des » test der, test test

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((test dem) OR (test des)) studium das filosofia ((de literatura) OR (y literatura)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((test dem) or (test des)) studium das filosofia ((de literatura) OR (y literatura))".
• Adding a wildcard symbol may retrieve word variants: ((test dem) or (test des)) studium das filosofia ((de literatura) OR (y literatura))*.